Banca de QUALIFICAÇÃO: JOSE ANDRÉS VIVAS DIAZ

Uma banca de QUALIFICAÇÃO de DOUTORADO foi cadastrada pelo programa.
STUDENT : JOSE ANDRÉS VIVAS DIAZ
DATE: 29/10/2022
TIME: 09:30
LOCAL: DEFESA REMOTA - https://meet.google.com/vau-rhrd-agp
TITLE:

ACUTE EFFECTS OF AEROBIC EXERCISE ON CEREBRAL OXYGENATION, MENTAL PLANNING, COGNITIVE FLEXIBILITY AND EMOTION RECOGNITION IN OLDER ADULTS

KEY WORDS:

fNIRS, exercise, physical activity, cognition, elderly

PAGES: 20
BIG AREA: Ciências da Saúde
AREA: Medicina
SUMMARY:

Aims: To investigate the effects of aerobic exercise performed at moderate intensity on PFC oxygenation and cognitive functions, including planning, mental flexibility, and emotional recognition in the elderly.

Methods: A sample of 28 participants aged 60‒68 years were included in this randomized and controlled crossover study. Each participant performed a 30-minute exercise session at moderate intensity according to the rating of perceived exertion (RPE) and a control session, separated by 7 days. Cognitive planning performance (Tower of London), cognitive flexibility (Wisconsin Card Sorting Test), facial emotion recognition task, and cerebral oxygenation of the prefrontal cortex were evaluated. The generalized estimation equation was used for data analysis.

Results: The O2Hb of right PFC increased throughout the cognitive test performed before both cycling exercise and control conditions (W(5) = 189.262, P < 0.001) with no significant difference between them. For the left PFC, O2Hb also increased during the cognitive test performed before the intervention, but only for the control condition (W(5) = 24.282, P < 0.001), however, no difference between conditions were observed. For the cognitive tests performed after the interventions, the O2Hb of the right PFC was greater after cycling exercise than the control condition (all P < 0.001). However, the O2Hb of the left PFC measured post interventions did not differ between conditions (all P > 0.064). Cognitive performance did not have a statistically significant main effect of conditions, time, and interaction on behavioral performance in all cognitive tests.

Conclusion: The results suggest moderate-intensity exercise as a strategy that favors increased cerebral oxygenation in the prefrontal cortex, which can improve cognitive performance

BANKING MEMBERS:
Externo à Instituição - MARCELO BIGLIASSI - FIU
Presidente - 2231794 - EDUARDO BODNARIUC FONTES
Interno - 2682821 - EDUARDO CALDAS COSTA